Maintenance
4-12 DPO4000 Series Service Manual
Troubleshooting
This section containsinformation and procedures to help you isolate a defective
module in a DPO4000 series oscilloscope.
WARNING.Before doing this or any other procedure in this manual, readthe
General Safety Summary and Service Safety Summary found at the beginning of
this manual. Also, to preventp ossible injury to service personnel or damage to
electricalcomponents, read Preventin g ESD on page 4--1.
If you replacethe main board, you must adjust the instrument after repair. Refer
Adjustment Proceduresbeginning on page 3--1for information about adjustment.
Youneed the following equipment to troubleshoot the instrument.
Toolsand Equipment Example
DMM 3.5 or greater digit DMM
Adjustment After Repair
Required Toolsand
Equipment